# Mechanical Principle — More than 10000 machines

> Extensive library of animated mechanical principle videos with sharing features. (iPhone/iPad app by 皖鹏 任.)

- Source: https://appshunter.io/ios/app/mechanical-principle/id1539315757 (this page in markdown: same URL + `.md`)
- Developer: [皖鹏 任](https://appshunter.io/developer/1521482837)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 30 MB
- Languages: American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Hong Kong SAR China)
- Released: 2020-11-08
- Data updated: 2026-08-13
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/mechanical-principle/id1539315757/reviews.md

## What is Mechanical Principle?

More than 10000 high-definition mechanical principle Animation videos are still being updated~
All videos support video sharing. You can also convert the video into GIF motion picture and then share it~
What are you waiting for? Download it quickly~
How to contact us:
If you encounter any problems during use, you can submit problem feedback in the mechanical diagram app.
We will not answer you for 24 hours.
Thank you for choosing the mechanical diagram app!
[automatic renewal rules]
1. Subscription to membership services will be paid directly through iTunes account.
2. 24 hours before the expiration of the subscription service, the system will automatically renew and deduct the corresponding fees according to the subscription type.
3. If you need to close the continuous annual package service, please operate in "account settings" at least 24 hours in advance. Please manually open the Apple phone's "Settings" - > enter the "iTunes Store and app store" - > click "Apple ID", select "view Apple ID", enter the "account settings" page, click "subscription", and select VIP members to cancel the subscription. If the subscription is not closed at least 24 hours before the end of the subscription period, the subscription will be renewed automatically.
4. After purchasing a subscription, if there is an unexpired free trial, it will become invalid.
Privacy Policy: https://jxylfile.ysfcoco.com/VR6a23e4gPkGnKpNsxMUFNQ3ww3fADOL/ys.html
Terms of use: https://jxylfile.ysfcoco.com/ngjsy4VF6WoBnqYo0okuomIpclHFbQJu/vip.html

## Key features

- 10,000+ HD animation videos
- Mechanical principle explanations
- Ongoing updates
- Video sharing
- GIF conversion
- In-app feedback system

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| VIP年会员 | $11.99 | per year |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/mechanical-principle/id1539315757/reviews.md

### 1/5 — 一堆抖音上都能看的视频，居然要68一年

*2022-06-10*

完全不值这个价，大家不要下载

### 5/5 — 内容太丰富了

*2020-11-09*

内容真的超丰富，还支持导出gif 完美

## Frequently asked questions about Mechanical Principle

### What is the main purpose of Mechanical Principle?

Mechanical Principle provides access to over 10,000 high-definition animation videos that explain various mechanical principles. The content is continuously updated to offer fresh learning material.

### Can I share content from Mechanical Principle?

Yes, all videos within Mechanical Principle support video sharing. You can also convert videos into GIF motion pictures for easier sharing across different platforms.

### How does the subscription work for Mechanical Principle?

Mechanical Principle offers a VIP annual membership for $11.99/P1Y. Subscriptions are paid through your iTunes account and automatically renew unless canceled at least 24 hours before the current period ends.

### How do I cancel my subscription to Mechanical Principle?

To cancel your subscription, navigate to your iPhone's 'Settings' > 'iTunes Store and App Store' > 'Apple ID' > 'View Apple ID' > 'Account Settings' > 'Subscriptions' and select VIP members to cancel.

### What devices is Mechanical Principle compatible with?

Mechanical Principle is designed for iOS devices, including iPhone, iPad, and iPod. It is rated for ages 4 and up.

### How often is Mechanical Principle updated?

The app was last updated on September 27, 2021, with version 2.3. The description mentions that videos are still being updated, suggesting ongoing content additions.

### Does Mechanical Principle have ads?

No, Mechanical Principle does not contain advertisements. The app is free to download and use, with optional in-app purchases for subscription services.

### How can I report issues with Mechanical Principle?

If you encounter any problems, you can submit feedback directly within the Mechanical Principle app. The developers aim to respond to feedback within 24 hours.

## Version history (last 5 releases)

### 2.3 — 2021-09-27

修复一些bug，提升用户体验

### 2.2 — 2021-09-22

期待已久的资源模块终于来啦

### 2.1 — 2021-09-21

Fixed some bugs

### 2.0 — 2021-09-03

期待已久的模型预览终于来啦

### 1.3 — 2021-08-10

修复已知bug，优化用户体验

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All apps by 皖鹏 任: https://appshunter.io/developer/1521482837

## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*